TOKYO (Reuters) - General Electric Co <GE.N> said on Friday
it filed a complaint with the U.S. International Trade
Commission against Mitsubishi Heavy Industries Ltd <7011.T>
last month to halt U.S. imports of the Japanese firm's wind
turbines.

A spokesman for Mitsubishi Heavy said: "We believe that
there are no patent infringements as GE insists. It's very
regrettable that GE suddenly filed a complaint."

The Japanese firm will respond once it receives a formal
notice from the ITC, he added.

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Demand for renewable energy has been growing amid concerns
about the environment and soaring oil prices.

Shares of Mitsubishi Heavy tumbled 5.4 percent to 440 yen
on Friday, against a 3.3 percent drop in the benchmark Nikkei

<.N225>.

GE, a major wind turbine maker which competes with
Denmark's Vestas Wind Systems A/S <VWS.CO> and Germany's
Siemens AG <SIEGn.DE> in the wind business, has forecast $6
billion in 2008 wind power-related revenue, up from about $4
billion last year.

The company said on Thursday it had landed a $1 billion
contract to supply electricity-generating wind turbines to
Invenergy Wind LLC, its second billion-dollar contract with
that company this year.

Mitsubishi Heavy, Japan's biggest wind power turbine maker,
won an order last May worth about $1.3 billion for 788 wind
turbines from five U.S. power companies.